EP1710149B2 - Traverse terminale pour véhicule utilitaire - Google Patents

Traverse terminale pour véhicule utilitaire Download PDF

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Publication number
EP1710149B2
EP1710149B2 EP20060006954 EP06006954A EP1710149B2 EP 1710149 B2 EP1710149 B2 EP 1710149B2 EP 20060006954 EP20060006954 EP 20060006954 EP 06006954 A EP06006954 A EP 06006954A EP 1710149 B2 EP1710149 B2 EP 1710149B2
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EP
European Patent Office
Prior art keywords
cross member
rear cross
commercial vehicle
end cross
holes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20060006954
Other languages
German (de)
English (en)
Other versions
EP1710149A3 (fr
EP1710149B1 (fr
EP1710149A2 (fr
Inventor
Robert Just
Alfred Kissinger
Horst Dresig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MAN Truck and Bus SE
Original Assignee
MAN Truck and Bus SE
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Filing date
Publication date
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Application filed by MAN Truck and Bus SE filed Critical MAN Truck and Bus SE
Publication of EP1710149A2 publication Critical patent/EP1710149A2/fr
Publication of EP1710149A3 publication Critical patent/EP1710149A3/fr
Publication of EP1710149B1 publication Critical patent/EP1710149B1/fr
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Publication of EP1710149B2 publication Critical patent/EP1710149B2/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members

Definitions

  • the invention relates to a terminal cross member for a commercial vehicle having a two longitudinal members having vehicle frame, wherein the end cross member is formed as an integral substantially U-shaped profile part with a central web and on both sides of longitudinal edges of the central web adjoining flange and the end cross member frontally mounting lugs are provided, said upper and lower mounting lugs each of the two flange strips and on both sides each projecting at least approximately in the transverse direction to the upper and lower mounting lugs vertical mounting lug from the central web of the U-profile and holes are provided on the mounting lugs, of which in the upper and lower Mounting lugs located holes are each arranged in an upper and a lower mounting plane.
  • frames for commercial vehicles generally have two longitudinal members running in the direction of travel, wherein the longitudinal members terminate at the end with a transverse cross member arranged transversely to the direction of travel.
  • the end crossmember offers a mounting option for trailer hitches to connect to this trailer via a drawbar with the commercial vehicle.
  • a screw connection between the end cross member and the longitudinal members of the vehicle frame is provided according to a known solution of the prior art via vertically arranged mounting lugs, but provide substantially centrally in the vertical webs of the longitudinal members arranged connecting elements no significant contribution to increase the strength for the transmission of moments in the connection level.
  • the end cross member is inserted into recesses in the upper straps in the side members and screwed on the inside of the longitudinal members with these screwed connections.
  • the screwing can be done in the vertical webs of the side members via mounting lugs, which are integrally formed on the end cross member.
  • the bolting contributes only insignificantly to an increase in the overall rigidity of the entire vehicle frame.
  • a trailer for semitrailer tractors known according to the preamble of claim 1.
  • a frame for commercial vehicles with a both longitudinal beams end interconnecting, one-piece end cross member disclosed.
  • the upper flange of the end cross member level in the region of its free end approximately at the height of the upper horizontal flanges of the side members, which mainly contributes to increase the absorbable forces and moments between the end cross member and the side members.
  • the end cross member is only end mounted in the incorporated in the upper chords of the longitudinal members contours, which requires additional processing of the upper straps. This fitting fit into the contour of the upper straps is required in the prior art because sufficient strength of the connection between the mounting tabs is not achievable.
  • the vertical webs of the side members in the region of their recesses in the direction of travel level a rising, inclined in the direction of travel performed slope, which requires a complex processing.
  • the upper flange of the end cross member In order to adapt to the slope in the side members, the upper flange of the end cross member must continue to have a sloping in the direction of travel level, thereby extending the mounting lugs constructively.
  • an improved end cross member is provided which avoids the disadvantages of the known prior art and in contrast to this can absorb high vertical loads by an optimized power flow. Furthermore, a solution is provided which is simple and inexpensive to manufacture and assembly due to its optimized blank.
  • the invention includes the technical teaching, that the vertical mounting lugs extend at least approximately transversely to the upper and lower mounting lugs substantially over the entire height of the central web and have screw holes, wherein screws are respectively arranged in the outer region of the vertical mounting lugs in the horizontal and lower mounting planes of the horizontal Mounting lugs are arranged.
  • the upper and lower rianschrau run as a rule plane-parallel and the mounting lugs can preferably protrude at right angles from the flange strips and the central web.
  • connection elements in principle all known elements, such as screws, rivets or welds in question.
  • the connecting elements are designed as screw connections, wherein according to the invention, the screw connections of the vertical mounting lugs are placed in the upper and lower hole level.
  • the effectiveness is optimized by the arrangements of the connecting elements.
  • the occurring and transferred transverse forces in the connecting elements are minimized by the present Verschraubungssent characterized in that the screw points are arranged in the vertically arranged mounting lugs near the compassionobergurten.
  • the connecting surface of the vertical center bar is designed so that the upper and lower row of screws on the end cross member is connected to the frame in order to obtain an optimal power flow.
  • the inventive design of the screw that no additional Eckversteifung must be provided, which simplifies the overall construction of the end cross member.
  • the corner stiffeners are incorporated directly into the end cross member by means of an optimized blank.
  • the end cross member can be arranged by the plane-parallel design of the upper and lower Flanschelf within the upper and lower flange of the longitudinal members.
  • a further measure improving the invention provides that the holes in the horizontal mounting lugs have a substantially fixed bore spacing, wherein the bore distance to the upper or lower bore in the vertical mounting lug continues. By this arrangement, all holes in the upper and lower bore levels each have the same pitch.
  • This grid spacing can also be provided in the vertical webs of the side members, wherein the side members have a plurality of holes in a corresponding upper and lower bore level.
  • the end cross member is mounted either end between the longitudinal members or with an offset according to the grid spacing in any position in the direction away from the end of the side rail.
  • the end cross member can be implemented according to an integer multiple of the grid spacing within the side members by temporarily loosening the screw.
  • the upper and / or lower flange strips on receiving bores in particular for the assembly of individual components.
  • These individual components may be, for example, electrical connectors or electrical couplings as well as couplings for hydraulic or pneumatic connections between the towing vehicle and the trailer vehicle.
  • the screwing of the individual components can, as in the trailer hitch, via screw connections, which are guided through the flange strips.
  • the upper and / or lower flange strip of the end cross member is designed at the ends in each case with recesses.
  • These recesses advantageously result in a weight saving, wherein the shape of the recesses causes no substantial reduction in rigidity.
  • the recesses show a curved contour, which shows a large width of the flange strips in the center, the width decreases toward the lateral end regions and only increases again in the region of the fastening lugs.
  • the blank of the sheet material of the end cross member between the vertical mounting lugs of the central web and the horizontal mounting lugs of the upper and lower Flanschrau has teardrop-shaped recesses.
  • the body of the end cross member is processed by the sheet metal blank by means of a separation process by a sheet metal forming process by the flange strips and mounting lugs are folded in the same direction.
  • the teardrop-shaped recesses prevent an uncontrolled material behavior due to voltage peaks in the emerging corner areas of the end cross member.
  • the horizontal and vertical mounting lugs in their final position toward each other.
  • the number of preferably 4 holes in the horizontal lugs ensures a secure connection between the end cross member and the side members, so that high forces and moments are transferable.
  • Another measure improving the invention provides that the height of the end cross member allows installation in the profile of the longitudinal member, so that the end cross member is longitudinally displaceable within the longitudinal member.
  • the trailing cross member is made of cold compressible QSt 500, which has a desired strength.
  • QStE420, QStE600 or QStE700 is also suitable.
  • the material thickness is 7.5 mm to 10 mm, preferably 8 mm to 9.5 mm. As a result, the blank can be punched and bent optimally and has the desired strength.
  • the manufacturing can be done by punching, laser cutting and / or any other suitable separation process.
  • the vertical mounting lugs can be bent so that their screw holes lie in a plane with the screw holes of the horizontal mounting lugs, which allows optimum force transmission of the vertical forces in the vehicle frame and the recording of large moments.
  • this creates a torsionally soft end cross member, which avoids voltage peaks in the frame. An additional corner reinforcement is not required.
  • the design as a one-piece end cross member allows a simple and cost-effective production and assembly.
  • Fig. 2 the end cross member 2 is shown in perspective.
  • the U-shaped longitudinal cross-section of the end cross member 2 is formed substantially from a central web 4 and projecting parallel thereto in the same direction upper and lower flange strips 5 and 6.
  • the end cross member 2 according to the present embodiment is made as a stamped and bent part of QSt 500 and has a wall thickness of 8 mm.
  • the two U-legs i. the upper flange 5 and the lower flange 6, have at their open ends recesses 18 which reduce the width of the flange strips 5 and 6 over the width of the end cross member 2 in a curved contour.
  • the variable width of the upper and lower Flanschruc 5 and 6 increases in the middle and in the end regions of the end cross member 2 and goes laterally into an upper and lower horizontal mounting lug 7 and 8 on.
  • the mounting lugs are present at each end of the upper flange 5 and the lower flange 6, so that four horizontally extending lugs complete the flange strips 5 and 6 in the longitudinal direction of the end cross member 2.
  • vertical mounting lugs 9 are also integrally formed on the central web 4, whereby two fastening lugs 7, 8 and 9 are provided at each end of the end cross member 2, which terminate laterally in one plane the end cross member 2.
  • the upper and lower mounting lugs 7 and 8 four screw holes 13 are arranged, wherein the vertical mounting lugs 9 each have two screw holes 10. The screw holes 10 and 13 receive screws to connect the end cross member 2 with the side rails 3.
  • the screw holes 13 are arranged on the upper and lower mounting planes 11 and 12 each on a straight line, wherein the upper and lower screw openings 10 in the vertical mounting lug 9 are also in the mounting holes 11 and 12 formed by the screw holes 13, so that the entire fittings of the end cross member 2 are arranged on the longitudinal members 3 in an upper and a lower mounting plane 11 and 12.
  • the glands of the end cross member 2 can therefore be arranged in each case on a straight line and each form a screwing. This ensures an improved introduction of force and thus an optimized power flow from the trailer hitch into the vehicle frame.
  • the end cross member 2 Centered in the U-base, i. in the central web 4, the end cross member 2 has a passage opening 15 through which the trailer coupling 16 passes with its drawbar 21 (not shown), with further holes for mounting flanges and other aids are mounted in the central web 4.
  • Fig. 3a and 3b the end cross member is shown in further views, wherein the Fig. 3a a rear view and Fig. 3b a side view shows.
  • the hole pattern of the receiving opening 15 in the central web 4 for receiving the trailer coupling 16 can be seen.
  • the end cross member 2 recesses 19, whereby they are cut free.
  • Fig. 3b are in the side view of the end cross member 2, the upper and lower mounting plane 11 and 12 recognizable, wherein the constant hole spacing 14 between the screw holes 13 laterally to the bore 10 each continues, so that all screw holes (13, 10) within a mounting plane 11 and 12 the same spaced apart. Between the screw holes 10, more holes, not shown, may be provided.
  • the vertical mounting lugs 9 extend substantially over the entire height of the central web 4, wherein a material thickness is provided, which reliably prevents tearing.
  • FIG. 4a illustrates that the end cross member 2 is bordered by the U-shaped inwardly aligned upper and lower straps of the side rail 3 end.
  • the Figures 4b and 4c reflect various installation positions of the end cross member.
  • Fig. 4b is the end cross member 2 end mounted in the side rails 3 of the frame 1
  • the Fig. 4c an installation of the end crossmember 2 offset in the direction of travel reproduces.
  • This variable installation option results in particular by the screw holes 10 and 13 arranged in respective fastening planes 11 and 12 on a respective straight line and uniformly spaced holes. Since the longitudinal members likewise have holes arranged in the same hole spacing 14 in an upper and a lower fastening plane, the end cross member can can be displaced arbitrarily within the longitudinal members 3.
  • Fig. 5 shows a blank of the sheet material of the end cross member 2, wherein in the upper and lower flange strips 5 and 6 punched mounting holes 17 are arranged, which provide according to the need for the installation of auxiliary facilities possibilities of their screwing.
  • the sheet metal blank between the horizontal mounting lugs 7, 8 and the vertical mounting lugs 9 teardrop-shaped recesses 19, which allow the desired sheet metal forming.
  • the screw holes 10 can be brought into a mounting plane with the screw holes 13.
  • this creates a torsionally soft end cross member 2, which avoids voltage peaks in the frame and in the end cross member.
  • the exact shape of the recesses 18 can be seen, which contour the upper and lower flange 5 and 6.
  • the thin lines in the sheet metal blank reproduce the later bending lines of the forming process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Claims (10)

  1. Traverse arrière (2) d'un véhicule industriel équipé d'un cadre de véhicule (1) présentant deux longerons (3), la traverse arrière (2) étant conçue sous forme de partie profilée d'une seule pièce, essentiellement en forme de U, présentant un montant central (4) et des ailes (5, 6) se raccordant des deux côtés aux bords longitudinaux du montant central (4) et des éclisses de fixation (7, 8, 9) étant prévues du côté frontal sur la traverse arrière (2), des éclisses de fixation supérieure et inférieure (7, 8) faisant chacune saillie par rapport aux deux ailes (5, 6) et une éclisse de fixation verticale (9), s'étendant au moins approximativement dans le sens transversal par rapport aux éclisses de fixation supérieure et inférieure (7, 8), faisant saillie à chaque fois des deux côtés par rapport au montant central (4) du profilé en U et des trous (10, 13) étant prévus au niveau des éclisses de fixation (7, 8, 9), parmi lesquels les trous (10) prévus dans les éclisses de fixation supérieure et inférieure sont disposés chacun dans des plans de fixation supérieur et inférieur (11, 12), les éclisses de fixation (7, 8) supérieure et inférieure ainsi que l'éclisse de fixation verticale (9) étant respectivement prévues sur une extrémité de la traverse arrière (2) et terminant la traverse arrière latéralement dans un plan respectif, caractérisée en ce que les éclisses de fixation verticales (9) disposées des deux côtés du montant central (4) s'étendent pour l'essentiel sur toute la hauteur du montant central (4) et présentent deux trous (10) disposés chacun dans les plans de fixation supérieur et inférieur (11, 12) des éclisses de fixation supérieure et inférieure (7, 8).
  2. Traverse arrière (2) d'un véhicule industriel selon la revendication 1, caractérisée en ce que les trous (13) dans les plans de fixation supérieur et inférieur (11, 12) ont un écart entre trous prédéterminé (14), cet écart entre trous (14) des trous (13) dans les éclisses de fixation supérieure et inférieure (7, 8) se poursuivant dans l'éclisse de fixation verticale (9).
  3. Traverse arrière (2) d'un véhicule industriel selon l'une des revendications mentionnées précédemment, caractérisée en ce que l'aile supérieure (5) et/ou l'aile inférieure (6) présentent des trous de réception (17).
  4. Traverse arrière (2) d'un véhicule industriel selon l'une des revendications mentionnées précédemment, caractérisée en ce que l'aile supérieure (5) et/ou l'aile inférieure (6) présentent respectivement des logements courbes (18) du côté de leurs extrémités.
  5. Traverse arrière (2) d'un véhicule industriel selon l'une des revendications mentionnées précédemment, caractérisée en ce que la traverse arrière (2) est fabriquée en tôle et qu'une partie découpée de cette tôle de la traverse arrière (2) présente des évidements en forme de goutte (19) entre les éclisses de fixation verticales (9) du montant central (4) et les éclisses de fixation horizontales (7, 8) des ailes (5, 6) supérieure et inférieure.
  6. Traverse arrière (2) d'un véhicule industriel selon l'une des revendications mentionnées précédemment, caractérisée en ce que 2 à 6 trous, de préférence 3 à 5 trous, et particulièrement préférablement 4 trous (13), sont disposés dans les éclisses de fixation horizontales (7, 8) dans un plan de fixation (11, 12).
  7. Traverse arrière (2) d'un véhicule industriel selon l'une des revendications mentionnées précédemment, caractérisée en ce qu'une géométrie des éclisses de fixation (7, 8, 9) est réalisée de telle manière que les trous (10, 13) dans les éclisses de fixation (7, 8, 9) présentent une paroi de trou suffisante.
  8. Traverse arrière (2) d'un véhicule industriel selon l'une des revendications mentionnées précédemment, caractérisée en ce qu'une hauteur de la traverse arrière (2) permette le montage dans un profil du longeron (3) de telle manière que la traverse arrière (2) soit mobile dans le sens longitudinal à l'intérieur du longeron (3).
  9. Traverse arrière (2) d'un véhicule industriel selon l'une des revendications mentionnées précédemment, caractérisée en ce que la traverse arrière est fabriquée en QSt 500.
  10. Traverse arrière (2) d'un véhicule industriel selon l'une des revendications mentionnées précédemment, caractérisée en ce que la traverse arrière présente une épaisseur de paroi comprise entre 7,5 et 10 mm, de préférence entre 8 et 9,5 mm.
EP20060006954 2005-04-04 2006-03-31 Traverse terminale pour véhicule utilitaire Active EP1710149B2 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510015423 DE102005015423A1 (de) 2005-04-04 2005-04-04 Schlussquerträger für ein Nutzfahrzeug

Publications (4)

Publication Number Publication Date
EP1710149A2 EP1710149A2 (fr) 2006-10-11
EP1710149A3 EP1710149A3 (fr) 2007-10-10
EP1710149B1 EP1710149B1 (fr) 2009-06-24
EP1710149B2 true EP1710149B2 (fr) 2015-01-07

Family

ID=36215502

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20060006954 Active EP1710149B2 (fr) 2005-04-04 2006-03-31 Traverse terminale pour véhicule utilitaire

Country Status (2)

Country Link
EP (1) EP1710149B2 (fr)
DE (2) DE102005015423A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2219934B1 (fr) * 2007-12-06 2013-11-06 Volvo Lastvagnar AB Poutre pour véhicule lourd
DE602008005709D1 (de) * 2008-04-07 2011-05-05 Iveco Spa Verfahren zum Herstellen eines Versteifungsquerträgers für einen Fahrzeugrahmen und anhand dieses Verfahrens hergestellter Querträger
DE102009033826B4 (de) * 2009-07-18 2016-06-30 Man Truck & Bus Ag Trägerprofil eines Fahrgestellrahmens
EP2404809B1 (fr) 2010-07-05 2013-05-01 VBG Group AB (Publ) Poutre de traction
CN108839525A (zh) * 2018-07-24 2018-11-20 山东赛强机械制造股份有限公司 一种箱式货车用中置轴牵引杆
RU201776U1 (ru) * 2020-09-28 2021-01-12 Публичное акционерное общество "КАМАЗ" Поперечина рамы транспортного средства

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3195910B2 (ja) * 1997-02-07 2001-08-06 プレス工業株式会社 クロスメンバ及びその製造方法
DE19826119A1 (de) 1998-06-12 1999-12-16 Man Nutzfahrzeuge Ag Schlußquerträger für Sattelzugmaschinen
SE518652C2 (sv) * 2000-04-11 2002-11-05 Volvo Lastvagnar Ab Dragbalksarrangemang vid ett fordon

Also Published As

Publication number Publication date
EP1710149A3 (fr) 2007-10-10
DE502006004047D1 (de) 2009-08-06
EP1710149B1 (fr) 2009-06-24
DE102005015423A1 (de) 2006-10-05
EP1710149A2 (fr) 2006-10-11

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